FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Ryu Marcus   2. Issuer Name and Ticker or Trading Symbol Guidewire Software, Inc. [GWRE] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) CEO and President (Last) (First) (Middle) 1001 E. HILLSDALE BLVD., SUITE 800 3. Date of Earliest Transaction (Month/Day/Year) 05/01/2019 (Street) FOSTER CITY, CA 94404 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 05/01/2019   M   20,000 A $ 48.06 22,404 D   Common Stock 05/01/2019   S(1)   4,700 D $ 105.3968 (2) 17,704 D   Common Stock 05/01/2019   S(1)   300 D $ 106.43 (3) 17,404 D   Common Stock 05/01/2019   S(1)   4,900 D $ 105.336 (4) 12,504 D   Common Stock 05/01/2019   S(1)   100 D $ 106.91 12,404 D   Common Stock 05/01/2019   S(1)   4,417 D $ 105.3951 (5) 7,987 D   Common Stock 05/01/2019   S(1)   583 D $ 106.3246 (6) 7,404 D   Common Stock 05/01/2019   S(1)   4,395 D $ 105.3901 (7) 3,009 D   Common Stock 05/01/2019   S(1)   605 D $ 106.2925 (8) 2,404 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Non-Qualified Stock Option (right to buy)

$ 48.06

05/01/2019

M

20,000

(9)

09/17/2023

Common Stock

20,000

$ 48.06

67,881

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Ryu Marcus 1001 E. HILLSDALE BLVD., SUITE 800 FOSTER CITY, CA 94404	X		CEO and President

Signatures

By: Winston King Attorney in Fact For: Marcus S. Ryu		05/01/2019
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Automatic stock option exercise and sale pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 10, 2018.
(2)	The sale price reported in column 4 of Table 1 represents the average sale price of the shares sold ranging from $105.05 to $105.92 per share. The reporting person will provide, upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
(3)	The sale price reported in column 4 of Table 1 represents the average sale price of the shares sold ranging from $106.18 to $106.91 per share. The reporting person will provide, upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
(4)	The sale price reported in column 4 of Table 1 represents the average sale price of the shares sold ranging from $105.01 to $105.52 per share. The reporting person will provide, upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
(5)	The sale price reported in column 4 of Table 1 represents the average sale price of the shares sold ranging from $105 to $105.895 per share. The reporting person will provide, upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
(6)	The sale price reported in column 4 of Table 1 represents the average sale price of the shares sold ranging from $106 to $106.91 per share. The reporting person will provide, upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
(7)	The sale price reported in column 4 of Table 1 represents the average sale price of the shares sold ranging from $104.97 to $105.85 per share. The reporting person will provide, upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
(8)	The sale price reported in column 4 of Table 1 represents the average sale price of the shares sold ranging from $105.99 to $106.91 per share. The reporting person will provide, upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
(9)	When both ISO and NQ Stock Options granted on September 17, 2013 are combined, they vest over four years of continuous service as follows: 1/48th of the underlying shares vest monthly following the vesting commencement date of September 17, 2013.

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